exports.world = function() {
  this.tes1 = function() {
      console.log("thistes1")
    }
    // console.log('Hello World');
}

// 或者以function同时暴露出去
function Hello() {
  var name;
  this.setName = function(thyName) {
    name = thyName;
  };
  this.sayHello = function() {
    console.log('Hello ' + name);
  };
};
module.exports = Hello;
// var Hello = require('./hello');
